First reported theregister.com
Lead dispatch
First reported · updated · 3 reports embracethered.com
AWS Kiro: Arbitrary Code Execution via Indirect Prompt Injection
Researchers found a vulnerability (CVE-2026-10591) in AWS Kiro, an agentic IDE, where hidden instructions planted in a web page or source file that Kiro processes can trigger indirect prompt injection to rewrite Kiro's own MCP server configuration (~/.kiro/settings/mcp.json) or allowlist arbitrary Bash commands in .vscode/settings.json, achieving arbitrary code execution on the developer's machine with no approval prompt. The human-in-the-loop approval boundary is bypassed because Kiro can write to these config files without user consent, and AWS has issued a fix and CVE.indirect-prompt-injection · prompt-injection · remote-code-execution · tool-abuse · config-poisoning
ai-agents · mcp · llm · agentic-ide
Severity
0.85
The wire · latest
First reported · updated · 3 reports darkreading.com
AI’s Vulnerability Surge May Be More Manageable Than First Feared
A Dark Reading piece covers Echo's "Mythos Readiness Report," which analyzed nearly 40,000 CVE life cycles across 250 open source container projects alongside an independent analysis of Anthropic's Claude Mythos to gauge how AI is accelerating vulnerability discovery and exploit development. The report argues that although monthly CVE disclosures rose 145% in two years (partly due to AI-assisted discovery), enterprises can manage the surge if they can quickly validate, prioritize, and deploy fixes. Details →First reported forescout.com
Researchers Use Claude to Port Pre-Auth RCE Exploit From One PLC Model to Another
Forescout Research (Vedere Labs) demonstrated using Anthropic's Claude to port a working pre-authentication RCE exploit for CVE-2021-31886 (a CVSS 9.8 stack-based buffer overflow in the Nucleus FTP server) from one WAGO PLC model to another, executing attacker-supplied ARM shellcode on live hardware. The effort required sustained researcher steering and consumed $535.74 in API usage over an 8.5-hour session; a later attempt to build a C2 implant permanently bricked the PLC. Details →First reported cisa.gov
Defending Against an Active Threat to Siemens S7 Series PLCs
Five US federal agencies (NSA, CISA, FBI, DOE, EPA) issued advisory AA26-231A warning of an active threat in which attackers use AI coding assistants together with open source industrial libraries (snap7.dll/python-snap7) to generate custom exploitation scripts disguised as legitimate OT monitoring tools against internet-exposed Siemens S7 Series PLCs at water, energy, manufacturing, and other critical facilities. The AI-generated tools provide read/write access to PLC memory, configuration, and ladder logic via the S7comm protocol, and the activity is suspected to be linked to Iran-affiliated operatives. Details →First reported darkreading.com
Claude Mythos — Hype vs. Reality: What Security Teams Need to Know
A Dark Reading Reporters' Notebook discussion analyzes Anthropic's Claude Mythos, a frontier model said to discover and exploit critical zero-day vulnerabilities in decades-old software with little prompting, and the associated Project Glasswing initiative that shares the model with select defensive partners including AWS, Google, Microsoft, CrowdStrike, and Palo Alto Networks. The journalists weigh how seriously security teams should take the risks of powerful, bug-hunting LLMs versus the surrounding hype. Details →How the wire is made
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